Evaluation of fracture toughness of small volumes by means of cube-corner nanoindentation

被引：47

作者：

Cuadrado, N. ^{[1
]}

Casellas, D. ^{[1
,2
]}

Anglada, M. ^{[3
]}

Jimenez-Pique, E. ^{[3
]}

机构：

[1] Fundacio CTM Ctr Tecnol, Manresa 08242, Spain

[2] Univ Politecn Cataluna, Dept Mat Sci & Met Engn, EPSEM, Manresa 08242, Spain

[3] Univ Politecn Cataluna, Dept Mat Sci & Met Engn, ETSEIB, E-08028 Barcelona, Spain

来源：

SCRIPTA MATERIALIA | 2012年 / 66卷 / 09期

关键词：

Nanoindentation; Fracture toughness; Cube-corner indenter; Crack morphology; INDENTATION FRACTURE; MECHANICAL-PROPERTIES; SINGLE-CRYSTAL; THIN-FILMS; GLASS; COATINGS; CRACKING; LOAD; SI;

D O I：

10.1016/j.scriptamat.2012.01.033

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this work, the applicability of the two most commonly used equations for calculating the fracture toughness by nanoindentation is discussed in terms of indenter geometry and indentation crack morphology. These equations are calibrated for Berkovich and cube-corner indenters taking into account the actual indentation crack morphology, in order to attain a more reliable estimation of fracture toughness in small material volumes by nanoindentation. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：670 / 673

页数：4

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